Changing from a 3/4" Crossover to 1" Crossover
Inches 0 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.75 3.00 3.25 3.50 3.75 4.00 4.25 4.50 4.75 5.00 5.25
Crossover 1.00" 0 70 88 97 105 130 150 175 195 220 238 252 279 293 320 349 384 428 475 535 608 800
0.75" 0 75 110 115 130 140 178 200 237 259 279 294 315 345 369 400 437 484 544 610 689 945
Pro Air Constant 100 PSI in Main Chamber (1) and 0.75" Crossover Installed
0 1 2 3 4
10 0 50 116 283 387
20 0 85 168 300 413
30 0 122 210 304 428
40 0 167 263 335 458
50 0 233 302 384 519
Pro Air Constant 30 PSI in Tender Chamber (2) and 0.75" Crossover Installed
0 1 2 3 4
80 0 115 210 271 366
100 0 122 220 305 415
120 0 132 230 350 475
140 0 125 240 410 560